著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Bureau of Railway Economics (Washington, D.C.)","Railway earnings in 1919 : comp. from reports to the Interstate Commerce Commission of railways having annual operating revenues above $1,000,000",,Bureau of Railway Economics,1920,Bulletins of the Bureau of Railway Economics,,,,https://cir.nii.ac.jp/crid/1130000796226794496